All the Perl that's Practical to Extract and Report

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Perl is the first relevant word, because the others are "stop words". There some modules on the CPAN to work with these stop words. There are also a lot of modules to index text (even if your first intention isn't to really index text in the sense of a search engine). The occurences of term is often saved into the database because these value is used to compute the ranking of the document after a search (the most known of tese methods are TF.IDF). So, it could be simpler to query the database. perlindex is a script available on the CPAN that index the Perl documentation available on your hard disk. One option of these script ask the total number (-d threshold for the occurence) of occurences. On my box, head is the more often word used.

Sorry I went Pedantic on your joke along with saorge. The perl perl perl... graf you threatened to add to the next book is funny. I just got caught up in search boffin blather on about stopwords... a hot-button thing.